Consider a cellular system in which an average call lasts 2 minutes, and the probability of blocking is to be more than 1%. Assume that every subscriber makes one call per hour, on average. If there is a total of 395 traffic channels for a seven cell reuse system (assume that blocked calls are cleared) Find the traffic intensity and the average calling rate of this unsectored system. Find the average calling rate and corresponding change in these rates compared to the unsectored case if (1) 120 degrees sectors and; (II) 60 degrees sectors are used.

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Consider a cellular system in which an average call lasts 2 minutes, and the
probability of blocking is to be more than 1%. Assume that every
subscriber makes one call per hour, on average. If there is a total of 395
traffic channels for a seven cell reuse system (assume that blocked calls are
cleared)
Find the traffic intensity and the average calling rate of this
unsectored system.
Find the average calling rate and corresponding change in these
rates compared to the unsectored case if
(1)
120 degrees sectors and;
(11) 60 degrees sectors
are used.
Comment on your results.
Transcribed Image Text:Consider a cellular system in which an average call lasts 2 minutes, and the probability of blocking is to be more than 1%. Assume that every subscriber makes one call per hour, on average. If there is a total of 395 traffic channels for a seven cell reuse system (assume that blocked calls are cleared) Find the traffic intensity and the average calling rate of this unsectored system. Find the average calling rate and corresponding change in these rates compared to the unsectored case if (1) 120 degrees sectors and; (11) 60 degrees sectors are used. Comment on your results.
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